From: Benjamin Gaignard <benjamin.gaignard@st.com>
To: <fabrice.gasnier@st.com>, <lee.jones@linaro.org>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>,
<mcoquelin.stm32@gmail.com>, <alexandre.torgue@st.com>,
<daniel.lezcano@linaro.org>, <tglx@linutronix.de>
Cc: <devicetree@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Benjamin Gaignard <benjamin.gaignard@st.com>
Subject: [PATCH v5 0/6] clockevent: add low power STM32 timer
Date: Tue, 31 Mar 2020 10:31:40 +0200 [thread overview]
Message-ID: <20200331083146.10462-1-benjamin.gaignard@st.com> (raw)
This series add low power timer as boadcast clockevent device.
Low power timer could runs even when CPUs are in idle mode and
could wakeup them.
version 5:
- document interrupts and interrupt-names bindings
- use a different wake up interrupt
- add device-tree patch
- make STM32MP157 select low power timer configuration flag
- enable fast_io in regmap configuration
version 4:
- move defines in mfd/stm32-lptimer.h
- change compatible and subnode names
- document wakeup-source property
- reword commit message
- make driver Kconfig depends of MFD_STM32_LPTIMER
- remove useless include
- remove rate and clk fields from the private structure
- to add comments about the registers sequence in stm32_clkevent_lp_set_timer
- rework probe function and use devm_request_irq()
- do not allow module to be removed
version 3:
- fix timer set sequence
- don't forget to free irq on remove function
- use devm_kzalloc to simplify errors handling in probe function
version 2:
- stm32 clkevent driver is now a child of the stm32 lp timer node
- add a probe function and adpat the driver to use regmap provide
by it parent
- stop using timer_of helpers
Benjamin Gaignard (6):
dt-bindings: mfd: Document STM32 low power timer bindings
ARM: dts: stm32: Add timer subnodes on stm32mp15 SoCs
mfd: stm32: Add defines to be used for clkevent purpose
mfd: stm32: enable regmap fast_io for stm32-lptimer
clocksource: Add Low Power STM32 timers driver
ARM: mach-stm32: select low power timer for STM32MP157
.../devicetree/bindings/mfd/st,stm32-lptimer.yaml | 34 +++
arch/arm/boot/dts/stm32mp151.dtsi | 45 ++++
arch/arm/mach-stm32/Kconfig | 1 +
drivers/clocksource/Kconfig | 4 +
drivers/clocksource/Makefile | 1 +
drivers/clocksource/timer-stm32-lp.c | 231 +++++++++++++++++++++
drivers/mfd/stm32-lptimer.c | 1 +
include/linux/mfd/stm32-lptimer.h | 5 +
8 files changed, 322 insertions(+)
create mode 100644 drivers/clocksource/timer-stm32-lp.c
--
2.15.0
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Gaignard <benjamin.gaignard@st.com>
To: <fabrice.gasnier@st.com>, <lee.jones@linaro.org>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>,
<mcoquelin.stm32@gmail.com>, <alexandre.torgue@st.com>,
<daniel.lezcano@linaro.org>, <tglx@linutronix.de>
Cc: Benjamin Gaignard <benjamin.gaignard@st.com>,
devicetree@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v5 0/6] clockevent: add low power STM32 timer
Date: Tue, 31 Mar 2020 10:31:40 +0200 [thread overview]
Message-ID: <20200331083146.10462-1-benjamin.gaignard@st.com> (raw)
This series add low power timer as boadcast clockevent device.
Low power timer could runs even when CPUs are in idle mode and
could wakeup them.
version 5:
- document interrupts and interrupt-names bindings
- use a different wake up interrupt
- add device-tree patch
- make STM32MP157 select low power timer configuration flag
- enable fast_io in regmap configuration
version 4:
- move defines in mfd/stm32-lptimer.h
- change compatible and subnode names
- document wakeup-source property
- reword commit message
- make driver Kconfig depends of MFD_STM32_LPTIMER
- remove useless include
- remove rate and clk fields from the private structure
- to add comments about the registers sequence in stm32_clkevent_lp_set_timer
- rework probe function and use devm_request_irq()
- do not allow module to be removed
version 3:
- fix timer set sequence
- don't forget to free irq on remove function
- use devm_kzalloc to simplify errors handling in probe function
version 2:
- stm32 clkevent driver is now a child of the stm32 lp timer node
- add a probe function and adpat the driver to use regmap provide
by it parent
- stop using timer_of helpers
Benjamin Gaignard (6):
dt-bindings: mfd: Document STM32 low power timer bindings
ARM: dts: stm32: Add timer subnodes on stm32mp15 SoCs
mfd: stm32: Add defines to be used for clkevent purpose
mfd: stm32: enable regmap fast_io for stm32-lptimer
clocksource: Add Low Power STM32 timers driver
ARM: mach-stm32: select low power timer for STM32MP157
.../devicetree/bindings/mfd/st,stm32-lptimer.yaml | 34 +++
arch/arm/boot/dts/stm32mp151.dtsi | 45 ++++
arch/arm/mach-stm32/Kconfig | 1 +
drivers/clocksource/Kconfig | 4 +
drivers/clocksource/Makefile | 1 +
drivers/clocksource/timer-stm32-lp.c | 231 +++++++++++++++++++++
drivers/mfd/stm32-lptimer.c | 1 +
include/linux/mfd/stm32-lptimer.h | 5 +
8 files changed, 322 insertions(+)
create mode 100644 drivers/clocksource/timer-stm32-lp.c
--
2.15.0
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next reply other threads:[~2020-03-31 8:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-31 8:31 Benjamin Gaignard [this message]
2020-03-31 8:31 ` [PATCH v5 0/6] clockevent: add low power STM32 timer Benjamin Gaignard
2020-03-31 8:31 ` [PATCH v5 1/6] dt-bindings: mfd: Document STM32 low power timer bindings Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
2020-03-31 16:49 ` Rob Herring
2020-03-31 16:49 ` Rob Herring
2020-03-31 8:31 ` [PATCH v5 2/6] ARM: dts: stm32: Add timer subnodes on stm32mp15 SoCs Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
2020-03-31 8:31 ` [PATCH v5 3/6] mfd: stm32: Add defines to be used for clkevent purpose Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
2020-03-31 8:31 ` [PATCH v5 4/6] mfd: stm32: enable regmap fast_io for stm32-lptimer Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
2020-03-31 8:31 ` [PATCH v5 5/6] clocksource: Add Low Power STM32 timers driver Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
2020-03-31 8:31 ` [PATCH v5 6/6] ARM: mach-stm32: select low power timer for STM32MP157 Benjamin Gaignard
2020-03-31 8:31 ` Benjamin Gaignard
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